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a Negative or poor refers to household incomes below the Federal poverty line; near poor/low, over the poverty line to just below 200 percent of the poverty line; middle, 200 percent to just below 400 percent of the poverty line; and high, 400 percent of the poverty line and over.

bSee MEPS entry in the Data Sources Appendix (Appendix A) for more information.

cPopulation is different from other categories. The variable is defined according to age at interview rounds, not the end of the year. Children with missing values are excluded.

*Data do not meet the criteria for statistical reliability, data quality or confidentiality.

Key: API: Asian or Pacific Islander; AI/AN: American Indian or Alaska Native; CSHCN: Children with special health care needs; SE: Standard error.

Note: The population categories used in this table are as reported from the source of the data (see below).